Singing bowl



FIG. 1 is a front perspective view of a singing bowl;

FIG. 2 is a top view of the singing bowl of FIG. 1;

FIG. 3 is a bottom view of the singing bowl of FIG. 1;

FIG. 4 is a front view of the singing bowl of FIG. 1; and,

FIG. 5 is an environmental view of the singing bowl of FIG. 1.

The broken lines in the drawings illustrate portions of the singing bowl and form no part of the claimed design. 

CLAIM The ornamental design for a singing bowl, as shown and described. 